true_math.h

/***************************************************************************
 *
 *   Copyright (C) 2024 by Willem van Straten
 *   Licensed under the Academic Free License version 2.1
 *
 ***************************************************************************/
 
#ifndef __epsic_src_util_signbit_h
#define __epsic_src_util_signbit_h
 
#ifdef __cplusplus
extern "C" {
#endif

int true_signbit_float (float x);
int true_signbit_double (double x);
int true_signbit_long_double (long double x);

int true_finite_float (float x);
int true_finite_double (double x);
int true_finite_long_double (long double x);
 
#ifdef __cplusplus
 
} // extern "C"
 
// namespace for C++ wrappers of C functions
namespace true_math
{
  inline int signbit (float x) { return true_signbit_float(x); }
  inline int signbit (double x) { return true_signbit_double(x); }
  inline int signbit (long double x) { return true_signbit_long_double(x); }

  inline int finite (float x) { return true_finite_float(x); }
  inline int finite (double x) { return true_finite_double(x); }
  inline int finite (long double x) { return true_finite_long_double(x); }
}
 
#endif
 
#endif // __epsic_src_util_signbit_h